RA889A SWITCHING RELAY
68-0216—2 2
ORDERING INFORMATIONWhen purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number.
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
1. Your local Home and Building Control Sales Office (check white pages of your phone directory).
2. Home and Building Control Customer Logistics
Honeywell Inc., 1885 Douglas Drive North
Minneapolis, Minnesota 55422-4386 (612) 951-1000
In Canada—Honeywell Limited/Honeywell Limitée, 155 Gordon Baker Road, North York, Ontario M2H 3N7.
International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,
Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
SPECIFICATIONSIMPORTANT
The specifications given in this publication do not
include normal manufacturing tolerances. Therefore,
this unit may not exactly match the listed specifica-
tions. Also, this product is tested and calibrated
under closely controlled conditions, and some minor
differences in performance can be expected if those
conditions are changed.
TRADELINE® Model: RA889A Switching Relay with 24V
controller for switching one-line voltage load.
Electrical Ratings:
Voltage: 120 Vac, 60 Hz.
Thermostat Heat Anticipator Setting: 0.12A.
Transformer Ratings:
Primary: 120 Vac, 60 Hz.
Secondary: 24 Vac, 12 VA maximum, 9 VA available for exter-
nal loads. Secondary protected by replaceable 1A automo-
tive fuse.
Contact Ratings: 15 AFL, 30 ALR; maximum connected load
2000 VA.
Temperature Ratings: Ambient: -20°F to 120°F (-29°C to
49°C).
Humidity Ratings: 0 to 90% rh, non-condensing.
Switching Action: Spdt, plus Powerpile® rated low voltage
Spst relay.
Electrical Connections: No. 8 captivated wire clamp screw
terminals.
Finish: Zinc plated steel.
Knockouts:
Case Bottom: Three 1/2 in. (13 mm) for conduit box.
Case Top: One 7/8 in. (22 mm) for wiring.
Approvals:
Underwriters Laboratories Inc. Listed: File no. E4436, Guide
no. XAPX.
Canadian Underwriters Laboratories Inc. Listed: Guide no.
XAPX7.
Dimensions: See Fig. 1.
Fig. 1. RA889A dimensions in in. (mm).
7/32 (6)
DIAMETER
MOUNTING
HOLE
KNOCKOUT
FOR 1/2 (13)
CONDUIT (3)
1-1/16
(27) 1-1/4 (32)
2-3/16
(56)
3-1/2
(89)
3-11/16 (94) 5/16
(8)
5/16 (8)
6-1/4
(159)
5-3/8
(137)
1-3/8 (35)
4-7/16 (118)
2-1/8
(54)
3/16 (5) DIAMETER
3/8 (10) DIAMETER
7/8(22)
DIAMETER
KEYHOLE
TYPE
MOUNTING
HOLE
M17512